1011020002253 has 2 divisors, whose sum is σ = 1011020002254. Its totient is φ = 1011020002252.

The previous prime is 1011020002207. The next prime is 1011020002259. The reversal of 1011020002253 is 3522000201101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1010593910089 + 426092164 = 1005283^2 + 20642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011020002253 - 2⁶ = 1011020002189 is a prime.

It is a super-2 number, since 2×1011020002253² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011020002259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505510001126 + 505510001127.

It is an arithmetic number, because the mean of its divisors is an integer number (505510001127).

Almost surely, 2^{1011020002253} is an apocalyptic number.

It is an amenable number.

1011020002253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011020002253 is an equidigital number, since it uses as much as digits as its factorization.

1011020002253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 1011020002253 its reverse (3522000201101), we get a palindrome (4533020203354).

The spelling of 1011020002253 in words is "one trillion, eleven billion, twenty million, two thousand, two hundred fifty-three".